Abdominal muscle training device



FIG. 1 is a front right perspective view of an abdominal muscle training device, showing my new design.

FIG. 2 is a front left perspective view of the abdominal muscle training device.

FIG. 3 is a left side elevation view thereof.

FIG. 4 is a left rear perspective view thereof.

FIG. 5 is a rear elevation view thereof.

FIG. 6 is a right rear perspective view thereof.

FIG. 7 is a right side elevation view thereof.

FIG. 8 is a front elevation view thereof; and,

FIG. 9 is a partially exploded left rear perspective view thereof. 

The ornamental design for an abdominal muscle training device, as shown and described. 